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  2. Tunica (biology) - Wikipedia

    en.wikipedia.org/wiki/Tunica_(biology)

    Tunica albuginea is a general term for a tunic of whitish connective tissue. In human anatomy, it generally is applied in three contexts: the fibrous sheath of the corpora cavernosa penis, the fibrous tunic of the testis, and the connective tissue tunic around the ovaries. [6] Tunica dartos is a muscular tunic beneath the skin of the scrotum ...

  3. Tunicate - Wikipedia

    en.wikipedia.org/wiki/Tunicate

    The tunic is unique among invertebrate exoskeletons in that it can grow as the animal enlarges and does not need to be periodically shed. Inside the tunic is the body wall or mantle composed of connective tissue, muscle fibres, blood vessels, and nerves. Two openings are found in the body wall: the buccal siphon at the top through which water ...

  4. Tunica vaginalis - Wikipedia

    en.wikipedia.org/wiki/Tunica_vaginalis

    The tunica vaginalis is a pouch of [2] serous membrane [3] within the scrotum that lines the testis and epididymis (visceral layer of tunica vaginalis), and the inner surface of the scrotum (parietal layer of tunica vaginalis).

  5. Tunic - Wikipedia

    en.wikipedia.org/wiki/Tunic

    The religious tunic reaches to the feet and was the source of the clerical cassock, as well as, in its liturgical form, the alb, after the long tunic worn by Roman citizens. [28] 'Tunic' is also the name often given to the high-collar uniform coat worn by military and police personnel. Light feminine garments, especially for sports or exercise ...

  6. Mammal - Wikipedia

    en.wikipedia.org/wiki/Mammal

    A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia (/ m ə ˈ m eɪ l i. ə /). Mammals are characterised by the presence of milk -producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair , and three middle ear bones .

  7. Scrotum - Wikipedia

    en.wikipedia.org/wiki/Scrotum

    In most terrestrial mammals, the scrotum (pl.: scrotums or scrota; possibly from Latin scortum, meaning "hide" or "skin") [1] [2] or scrotal sac is a part of the external male genitalia located at the base of the penis. It consists of a sac of skin containing the external spermatic fascia, testicles, epididymides, and vasa deferentia. The ...

  8. Boreoeutheria - Wikipedia

    en.wikipedia.org/wiki/Boreoeutheria

    Boreoeutheria (/ b oʊ ˌ r iː oʊ j uː ˈ θ ɛr i ə /, "northern true beasts") is a magnorder of placental mammals that groups together superorders Euarchontoglires and Laurasiatheria.

  9. Mammaliaformes - Wikipedia

    en.wikipedia.org/wiki/Mammaliaformes

    Mammaliaformes ("mammalian forms") is a clade of synapsid tetrapods that includes the crown group mammals and their closest extinct relatives; the group radiated from earlier probainognathian cynodonts during the Late Triassic. [1]